Collapsible flotation device with back support



FIG. 1 is a front perspective view of a collapsible flotation device with back support, according to an embodiment;

FIG. 2 is a top view of the collapsible flotation device with back support illustrated in FIG. 1;

FIG. 3 is a bottom view of the collapsible flotation device with back support illustrated in FIG. 1;

FIG. 4 is a left side view of the collapsible flotation device with back support illustrated in FIG. 1;

FIG. 5 is a right side view of the collapsible flotation device with back support illustrated in FIG. 1;

FIG. 6 is a rear view of the collapsible flotation device with back support illustrated in FIG. 1;

FIG. 7 is a front view of the collapsible flotation device with back support illustrated in FIG. 1;

FIG. 8 is a cross-sectional view of the collapsible flotation device with back support of FIG. 1 taken along line 8-8 in FIG. 2;

FIG. 9 is a front perspective view of a collapsible flotation device with back support, according to another embodiment;

FIG. 10 is a top view of the collapsible flotation device with back support illustrated in FIG. 9;

FIG. 11 is a bottom view of the collapsible flotation device with back support illustrated in FIG. 9;

FIG. 12 is a left side view of the collapsible flotation device with back support illustrated in FIG. 9;

FIG. 13 is a right side view of the collapsible flotation device with back support illustrated in FIG. 9;

FIG. 14 is a rear view of the collapsible flotation device with back support illustrated in FIG. 9;

FIG. 15 is a front view of the collapsible flotation device with back support illustrated in FIG. 9;

FIG. 16 is a cross-sectional view of the collapsible flotation device with back support of FIG. 9 taken along line 16-16 in FIG. 10;

FIG. 17 is a front perspective view of a collapsible flotation device with back support, according to another embodiment;

FIG. 18 is a top view of the collapsible flotation device with back support illustrated in FIG. 17;

FIG. 19 is a bottom view of the collapsible flotation device with back support illustrated in FIG. 17;

FIG. 20 is a left side view of the collapsible flotation device with back support illustrated in FIG. 17;

FIG. 21 is a right side view of the collapsible flotation device with back support illustrated in FIG. 17;

FIG. 22 is a rear view of the collapsible flotation device with back support illustrated in FIG. 17;

FIG. 23 is a front view of the collapsible flotation device with back support illustrated in FIG. 17; and,

FIG. 24 is a cross-sectional view of the collapsible flotation device with back support of FIG. 17 taken along line 24-24 in FIG. 18.

The broken lines are directed to environment and are for illustrative purposes only and form no part of the claimed design. The cross-hatching shown in the cross-sectional views of FIGS. 8, 16 and 24 are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a collapsible flotation device with back support, as shown and described. 